UnPlug 2.010
============

2.010 changes what data is passed from the search (search.js) to the display
(searchpage.js) code, and makes large changes to the implementation of
unplug_result xbl items.

Results
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 * unplug_result.xbl items initialized through one function - the .initResult
   method. The default downloader option is the first available downloader from
   a list to initResult (if none are available, "no valid downloader" is
   displayed.
 * The "open" button is removed, and the options are given under the download
   button.

SearchPage
----------
 * Takes the global window object (as well as the gBrowser) so gFlashGotServce
   can be found. (These are provided by overlay.js).
 * Most creation of unplug_result object is in a call to a new .initResult
   method on the xbl item. Duplicates are updated with .addDuplicate method.
 * All calls from unplug_result.xbl are now to two functions: widgetavailable
   and widgetresponse. These look in a new object, UnPlug2SearchPage.widgets,
   for implementaion of these features.

Search
------
 * Search.js now sends a JSON-able javascript object when a result is found.